Mass Extinctions It doesn’t come along very often, but after some 540 million years, this world we live on has witnessed five mass extinctions – and the next curtain could fall before the century is up. That’s the grim assessment of a new mathematical analysis of Earth’s revolving carbon cycle, with calculations predicting our horrendous output of CO2 emissions...Continue Reading
James Hansen, professor of Earth and Environmental Sciences at Columbia University, former NASA scientist, and the planet’s preeminent climatologist, was among the first to sound the alarm on climate change during his 1988 testimony before Congress. Since then, he has continued to shine a light on the problem through lectures, interviews, TED talks, and his...Continue Reading
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